Commit graph

7463 commits

Author SHA1 Message Date
David Given b5e5df4a63 Allocate a user stack to run code in.
--HG--
branch : dtrg-videocore
2013-05-22 18:25:30 +01:00
David Given cdce394b6c Generate ld rd, (rs) instructions properly.
--HG--
branch : dtrg-videocore
2013-05-22 11:02:46 +01:00
David Given 9e556d8b7b Optimise direct access to globals, and incrementing and decrementing locals.
--HG--
branch : dtrg-videocore
2013-05-22 10:55:13 +01:00
David Given 0068952bd1 Build the Raspberry Pi code.
--HG--
branch : dtrg-videocore
2013-05-22 09:47:22 +01:00
David Given 6b5316dcfa More typo fixes.
--HG--
branch : dtrg-videocore
2013-05-22 00:52:58 +01:00
David Given 08c4334224 Typo fixes.
--HG--
branch : dtrg-videocore
2013-05-22 00:44:04 +01:00
David Given 72542288cd Adjust bootstrap code to build kernels that work with the mailbox test app.
--HG--
branch : dtrg-videocore
2013-05-22 00:16:59 +01:00
David Given f904465e9c Fix signedness problem that was showing up on ARM.
--HG--
branch : dtrg-videocore
2013-05-22 00:16:16 +01:00
David Given 5e9102955c Reworked VC4 relocations and some of the instruction encoding to be actually correct. Now generating what could be real code!
--HG--
branch : dtrg-videocore
2013-05-21 23:17:30 +01:00
David Given 1312fe298b Now compiles (incorrectly) the entire libc, libpc, libm2 and libbasic!
--HG--
branch : dtrg-videocore
2013-05-21 20:05:26 +01:00
David Given 92817a6ad7 Allow platforms to specify size of long double; seperate alignment from size.
--HG--
branch : dtrg-videocore
2013-05-21 19:18:11 +01:00
David Given 877e06ed89 Lots more opcodes including float support. Define float and double to be the
same thing (as the VC4 seems not to have double-precision float support).

--HG--
branch : dtrg-videocore
2013-05-21 18:16:30 +01:00
David Given 6cdea73e84 Add a lot more opcodes.
--HG--
branch : dtrg-videocore
2013-05-20 23:27:45 +01:00
David Given d6565f4d5b Fix typo.
--HG--
branch : dtrg-videocore
2013-05-20 23:27:31 +01:00
David Given e5341e4167 Remember to clear ackflags on reset.
--HG--
branch : dtrg-videocore
2013-05-20 22:41:27 +01:00
David Given 970f2bae62 Major revamp to simplify and use 2op instructions. Better code. Now looks like it may work one day.
--HG--
branch : dtrg-videocore
2013-05-20 22:35:12 +01:00
David Given 5082b2a5d7 Add lea instruction. Fix dependency issues.
--HG--
branch : dtrg-videocore
2013-05-20 19:56:33 +01:00
David Given 11890026db Push/pop are the right way round. Don't corrup short-form ALU instructions. Correct encoding of push/pop register ranges.
--HG--
branch : dtrg-videocore
2013-05-19 23:34:42 +01:00
David Given 76ba0bf6b3 First steps towards a code generator.
--HG--
branch : dtrg-videocore
2013-05-19 23:33:42 +01:00
David Given 61bff18082 Added skeleton bootstrap code.
--HG--
branch : dtrg-videocore
rename : plat/pc86/boot.s => plat/rpi/boot.s
2013-05-19 23:33:29 +01:00
David Given 80f85001fa Correctly emit constants in some ALU instructions.
--HG--
branch : dtrg-videocore
2013-05-19 23:19:10 +01:00
David Given a46ee91859 Fix warning.
--HG--
branch : dtrg-videocore
2013-05-19 23:18:36 +01:00
David Given 4f15423d63 Add compare-and-branch instructions.
--HG--
branch : dtrg-videocore
2013-05-19 18:40:19 +01:00
David Given 80afe75c9b Added memory operations that work on fixed up addresses.
--HG--
branch : dtrg-videocore
2013-05-19 13:03:53 +01:00
David Given febe8ca937 Add register offset and postincrement memory operations.
--HG--
branch : dtrg-videocore
2013-05-19 12:39:35 +01:00
David Given fc2833d456 Add most vanilla memory load/store instructions.
--HG--
branch : dtrg-videocore
2013-05-19 00:56:56 +01:00
David Given fc1b3672a3 Reapply bugfix to sbrk() which got dropped during the move from linx386/libsys
to liblinux. Set errno correctly.
2013-05-18 13:00:37 +01:00
David Given c18a82ec40 Apply build system fixes for OpenBSD contributed by George Koehler. 2013-05-18 12:15:53 +01:00
David Given 26877d3c4f Add a whole bunch of VC4 opcodes.
--HG--
branch : dtrg-videocore
2013-05-17 23:30:49 +01:00
David Given 5378e3fe53 Add special relocation type for VC4 jump instructions.
--HG--
branch : dtrg-videocore
2013-05-17 22:40:50 +01:00
David Given 5b4aa07dee Merge fixes from trunk.
--HG--
branch : dtrg-videocore
2013-05-17 15:28:04 +01:00
David Given 9a513e8ef3 Fix warning. 2013-05-17 00:04:54 +01:00
David Given e7c2029c9c Dependency fixes. 2013-05-17 00:04:37 +01:00
David Given 32ebc502c8 Skeleton of VideoCore IV support for the Raspberry Pi.
--HG--
branch : dtrg-videocore
rename : mach/powerpc/as/.distr => mach/vc4/as/.distr
rename : mach/powerpc/as/mach0.c => mach/vc4/as/mach0.c
rename : mach/powerpc/as/mach1.c => mach/vc4/as/mach1.c
rename : mach/powerpc/as/mach2.c => mach/vc4/as/mach2.c
rename : mach/powerpc/as/mach3.c => mach/vc4/as/mach3.c
rename : mach/powerpc/as/mach4.c => mach/vc4/as/mach4.c
rename : mach/powerpc/as/mach5.c => mach/vc4/as/mach5.c
rename : mach/i86/build.mk => mach/vc4/build.mk
rename : mach/powerpc/libem/powerpc.h => mach/vc4/libem/videocore.h
rename : mach/i86/libend/.distr => mach/vc4/libend/.distr
rename : mach/i86/libend/edata.s => mach/vc4/libend/edata.s
rename : mach/i86/libend/em_end.s => mach/vc4/libend/em_end.s
rename : mach/i86/libend/end.s => mach/vc4/libend/end.s
rename : mach/i86/libend/etext.s => mach/vc4/libend/etext.s
rename : mach/powerpc/ncg/.distr => mach/vc4/ncg/.distr
rename : mach/powerpc/ncg/mach.c => mach/vc4/ncg/mach.c
rename : mach/powerpc/ncg/mach.h => mach/vc4/ncg/mach.h
rename : mach/powerpc/ncg/table => mach/vc4/ncg/table
rename : plat/pc86/descr => plat/rpi/descr
2013-05-17 00:03:38 +01:00
David Given e5f6d5acfa Fix buffer overrun looking up type information for op_lab pseudoops (as
they're not EM opcodes, we shouldn't look them up in em_flags!).
2013-05-16 22:02:59 +01:00
David Given f70f78b6e4 Correctly generate dependency information. 2013-05-16 22:02:00 +01:00
David Given 84f81a442c Merge in build system changes. 2013-05-16 14:33:19 +01:00
David Given 24ef1627ec A few last build tweaks.
--HG--
branch : dtrg-buildsystem
2013-05-16 14:20:58 +01:00
David Given 11377070fd Update distribution files.
--HG--
branch : dtrg-buildsystem
2013-05-15 23:46:15 +01:00
David Given 8fbce949f5 Now describe the make-based build system in the README.
--HG--
branch : dtrg-buildsystem
2013-05-15 23:12:05 +01:00
David Given aaa3f14a79 Fix build error in opt which was causing all code, everywhere, to be broken.
Remember to build opt2 too.

--HG--
branch : dtrg-buildsystem
2013-05-15 22:09:28 +01:00
David Given e9233b4712 Build ego.
--HG--
branch : dtrg-buildsystem
rename : util/arch/build.mk => util/ego/build.mk
2013-05-15 21:14:06 +01:00
David Given f6c43b95ef Modula-2 now works.
--HG--
branch : dtrg-buildsystem
rename : lang/pc/build.mk => lang/m2/build.mk
rename : lang/pc/libpc/build.mk => lang/m2/comp/build.mk
rename : lang/pc/libpc/build.mk => lang/m2/libm2/build.mk
2013-05-14 22:24:38 +01:00
David Given 66aebcdd91 Pascal compiler now runs.
--HG--
branch : dtrg-buildsystem
rename : lang/basic/build.mk => lang/pc/build.mk
rename : lang/cem/cemcom.ansi/build.mk => lang/pc/comp/build.mk
rename : lang/basic/lib/build.mk => lang/pc/libpc/build.mk
2013-05-14 20:47:04 +01:00
David Given a6ebaeabd0 Basic compiler now runs.
--HG--
branch : dtrg-buildsystem
2013-05-14 18:01:38 +01:00
David Given d5f0107746 Build the Basic run-time library (after some modernisation).
--HG--
branch : dtrg-buildsystem
2013-05-14 16:11:29 +01:00
David Given a68b117e96 Add missing dependency.
--HG--
branch : dtrg-buildsystem
2013-05-14 14:55:29 +01:00
David Given 07453d184a Top, topgen, aelflod. Moved the libraries back into the platform-specific
directories --- wrangling descr files was too hard. C programs can be built
for cpm, pc86, linux386, linux68k!

--HG--
branch : dtrg-buildsystem
rename : util/ack/build.mk => util/led/build.mk
rename : util/LLgen/build.mk => util/topgen/build.mk
2013-05-13 23:26:15 +01:00
David Given 442306d557 Split off some of the platform-independent stuff (such as as and ncg).
--HG--
branch : dtrg-buildsystem
rename : plat/pc86/build.mk => mach/i386/build.mk
rename : plat/pc86/build.mk => mach/i80/build.mk
rename : plat/pc86/build.mk => mach/i86/build.mk
rename : plat/pc86/build.mk => mach/m68020/build.mk
rename : plat/pc86/build.mk => mach/powerpc/build.mk
2013-05-13 22:12:46 +01:00
David Given 81778b603f Merge updates from trunk.
--HG--
branch : dtrg-buildsystem
2013-05-13 12:37:27 +01:00